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2 years ago

Pls somebody help me wit dis

Mathematics

2 answers:

zalisa [80]2 years ago

5 0

Answer: the rule is 5

Step-by-step explanation

can i have brainliest

Anni [7]2 years ago

5 0

ANSWER: 5

Explanation: The rule would be “5”because if each input X is multiplied by 5 it gives you the value of the output Y

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A circle has a diameter with endpoints at (6, 5) and (8, 5). Write the equation for the circle.

mario62 [17]

Answer:

$(x-7)^2+(y-5)^2=1$

Step-by-step explanation:

The two things that are required to formulate the equation of the circle is the center coordinate and the radius of the circle!

Center of the circle:

The center of the circle always lies at the midpoint of the endpoints of its diameter: Let's call the endpoints A(6,5) and B(8,5).

Using the midpoint formula we'll get:

$(x_m, y_m) = \left(\dfrac{x_1+x_2}{2},\dfrac{y_1+y_2}{2}\right)$

$(x_m, y_m) = \left(\dfrac{6+8}{2},\dfrac{5+5}{2}\right)$

$(x_m, y_m) = (7,5)$

This is the center coordinate of our circle.

Radius:

The radius of the circle is the distance from the center of the circle to any of the endpoints of the diameter (A or B)

We can use the distance formula:

$r = \sqrt{(x_1-x_2)^2+(y_1-y_2)^2}$

$r = \sqrt{(x_1-x_m)^2+(y_1-y_m)^2}$

$r = \sqrt{(6-7)^2+(5-5)^2}$

$r = \sqrt{1^2}$

$r = 1$

Equation of the circle:

The equation is written as:

$(x-a)^2+(y-b)^2=r^2$

here, (a,b) are the center points of the circle

in our case this is $(a,b)=(x_m,y_m)=(7,5)$

and r = 1

$(x-7)^2+(y-5)^2=1^2$

$(x-7)^2+(y-5)^2=1$

This is the equation of the circle!

3 0

3 years ago

Rewrite log; x = 4 in exponential form.

aliya0001 [1]

Answer:

Step-by-step explanation

(B) x=34

7 0

3 years ago

Why is it important to make sure the decimal point is in the correct spot whn adding and subtracting decimals?

blsea [12.9K]

A decimal in the wrong place can change the value of a number completely for example
0.5 can be converted to 50 cents or 1/2 but if you change the decimal 0.05 converts to 5% or 1/20.

4 0

3 years ago

Please help me...I will give brainliest. Please dont answer if you dont know. I really need this. Thankyou have a good day:)

enyata [817]

Answer:

7: 45.2 (rounded from 45.21)

8: 114.5 (rounded from 114.45)

9: 115.9 (rounded from 115.86)

10: 105.6 (rounded from 105.56)

and of course the unit is cm3

Step-by-step explanation:

4 0

3 years ago

How many times heavier is a 16 1/2 pound rockthen a 10 1/2 pound rock

Finger [1]

A 16 1/2 pound rock is 6 more pounds heavier than a 10 1/2 pound rock.

5 0

3 years ago

Read 2 more answers